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Merge tag 'block-5.19-2022-07-01' of git://git.kernel.dk/linux-block

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Pull block fixes from Jens Axboe:

 - Fix for batch getting of tags in sbitmap (wuchi)

 - NVMe pull request via Christoph:
      - More quirks (Lamarque Vieira Souza, Pablo Greco)
      - Fix a fabrics disconnect regression (Ruozhu Li)
      - Fix a nvmet-tcp data_digest calculation regression (Sagi
        Grimberg)
      - Fix nvme-tcp send failure handling (Sagi Grimberg)
      - Fix a regression with nvmet-loop and passthrough controllers
        (Alan Adamson)

* tag 'block-5.19-2022-07-01' of git://git.kernel.dk/linux-block:
  nvme-pci: add NVME_QUIRK_BOGUS_NID for ADATA IM2P33F8ABR1
  nvmet: add a clear_ids attribute for passthru targets
  nvme: fix regression when disconnect a recovering ctrl
  nvme-pci: add NVME_QUIRK_BOGUS_NID for ADATA XPG SX6000LNP (AKA SPECTRIX S40G)
  nvme-tcp: always fail a request when sending it failed
  nvmet-tcp: fix regression in data_digest calculation
  lib/sbitmap: Fix invalid loop in __sbitmap_queue_get_batch()
This commit is contained in:
Linus Torvalds
2022-07-01 10:42:10 -07:00
parent 067c227379 f3163d8567
commit d516e221e2
11 changed files with 113 additions and 30 deletions
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5
lib/sbitmap.c
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@@ -528,7 +528,7 @@ unsigned long __sbitmap_queue_get_batch(struct sbitmap_queue *sbq, int nr_tags,
sbitmap_deferred_clear(map);
if (map->word == (1UL << (map_depth - 1)) - 1)
continue;
goto next;
nr = find_first_zero_bit(&map->word, map_depth);
if (nr + nr_tags <= map_depth) {
@@ -539,6 +539,8 @@ unsigned long __sbitmap_queue_get_batch(struct sbitmap_queue *sbq, int nr_tags,
get_mask = ((1UL << map_tags) - 1) << nr;
do {
val = READ_ONCE(map->word);
if ((val & ~get_mask) != val)
goto next;
ret = atomic_long_cmpxchg(ptr, val, get_mask | val);
} while (ret != val);
get_mask = (get_mask & ~ret) >> nr;
@@ -549,6 +551,7 @@ unsigned long __sbitmap_queue_get_batch(struct sbitmap_queue *sbq, int nr_tags,
return get_mask;
}
}
next:
/* Jump to next index. */
if (++index >= sb->map_nr)
index = 0;